TABLE 3. Psychosocial Characteristics Associated With Inconsistent Reporting of Self-Harm Episodes Over Time.
| Self-harm reported consistently (n = 385) | Self-harm reported inconsistently (n = 204) | OR [95%CI] | P value | |
|---|---|---|---|---|
| Female gender, n (%) | 312 (81.0%) | 162 (79.4%) | 0.90 [0.59, 1.38] | 0.636 |
| Parental social class, (pregnancy), n (%) | ||||
| Other | 131 (36.1%) | 62 (32.5%) | ||
| Professional/managerial | 232 (63.9%) | 129 (67.5%) | 0.85 [0.59, 1.23] | 0.395 |
| Mother's education (pregnancy), n (%)a | ||||
| <O-level | 60 (15.9%) | 29 (14.6%) | ||
| O-level | 141 (37.4%) | 69 (35.2%) | ||
| Degree/A level | 176 (46.7%) | 100 (50.2%) | 0.91 [0.72, 1.16] | 0.441 |
| Ethnicity | ||||
| White | 361 (96.8%) | 190 (96.5%) | ||
| Non-white | 12 (3.2%) | 7 (3.5%) | 0.90 [0.34, 2.33] | 0.832 |
| IQ, age 8 years, mean (SD) | 108.7 (15.6) | 110.6 (14.5) | 1.01 [1.00, 1.02] | 0.166 |
| Depression symptoms: SMFQ score 11+, age 16 years, n (%) | 167 (44.2%) | 62 (30.7%) | 0.56 [0.39, 0.80] | 0.002 |
| Depression symptoms: SMFQ score 11+, age 18 years, n (%) | 159 (46.4%) | 59 (31.1%) | 0.52 [0.36, 0.76] | 0.001 |
| Depressive disorder: CIS-R, age 18 years | 83 (21.6%) | 15 (7.4%) | 0.29 [0.16, 0.52] | <0.001 |
| Past year self-harm, age 16 years | 237 (61.9%) | 99 (49.3%) | 0.60 [0.42, 0.84] | 0.003 |
| Lifetime self-harm with suicidal intent, age 16 years | 154 (40.2%) | 42 (20.9%) | 0.39 [0.26, 0.58] | <0.001 |
Note. SMFQ: Short Mood and Feelings Questionnaire; CIS-R: Clinical Interview Schedule revised.
aOR for maternal education assumes a linear trend across the education categories.